GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1997 🢒 Isuzu - N Series 🢒 Engine 🢒 Engine Controls - 5.0L, 5.7L, and 7.4L 🢒 Engine Controls Schematics
Figure 1:

Power, Ground, DLC, and MIL 5.0, 5.7, 7.4L
Object Number: 52617 Size: FS
Engine Controls Components
CKP, CMP, IC, and Coil - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Figure 2:

CKP, CMP, IC, and Coil- 5.0, 5.7, and 7.4L
Object Number: 52645 Size: FS
Engine Controls Components
Fuel Pumps - 5.0, 5.7, 7.4L
Power, Ground, DLC, and MIL - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 3:

Fuel Pumps - 5.0, 5.7, and 7.4L
Object Number: 52657 Size: FS
Engine Controls Components
Fuel Injectors - 5.0, 5.7L
CKP, CMP, IC, and Coil - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 4:

Fuel Injectors - 5.0, and 5.7L
Object Number: 52663 Size: FS
Engine Controls Components
Fuel Injectors - 7.4L
Fuel Pumps - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 5:

Fuel Injectors - 7.4L
Object Number: 52668 Size: FS
Engine Controls Components
MAP, IAT, TP, and ECT Sensors - 5.0, 5.7, 7.4
Fuel Injectors - 5.0, 5.7L
OBD II Symbol Description Notice
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 6:

MAP, IAT, TP, and ECT Sensors - 5.0, 5.7, 7.4L
Object Number: 52674 Size: FS
Engine Controls Components
MAF, EVAP, and EGR - 5.0, 5.7, 7.4L
Fuel Injectors - 7.4L
OBD II Symbol Description Notice
MAF, EVAP, and EGR - 5.0, 5.7, 7.4L
MAF, EVAP, and EGR - 5.0, 5.7, 7.4L
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 7:

MAF, EVAP, and EGR - 5.0, 5.7, 7.4L
Object Number: 52692 Size: FS
Engine Controls Components
A.I.R. System 7.4L
MAP, IAT, TP, and ECT Sensors - 5.0, 5.7, 7.4
OBD II Symbol Description Notice
Engine Controls Schematic References
MAP, IAT, TP, and ECT Sensors - 5.0, 5.7, 7.4
MAP, IAT, TP, and ECT Sensors - 5.0, 5.7, 7.4
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 8:

A.I.R. System - 7.4L
Object Number: 52746 Size: FS
Engine Controls Components
Heated Oxygen Sensors - 5.0, 5.7, 7.4L
MAF, EVAP, and EGR - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 9:

Heated Oxygen Sensors - 5.0, and 5.7L
Object Number: 52698 Size: FS
Engine Controls Components
Heated Oxygen Sensors - 7.4L
A.I.R. System 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 10:

Heated Oxygen Sensors - 7.4L
Object Number: 65640 Size: FS
Engine Controls Components
Idle Air Controller, Upshift Indicator, and Transfer Case Signals - 5.0, 5.7, 7.4L
Heated Oxygen Sensors - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 11:

Idle Air Control, Upshift Indicator, and Transfer Case Signals
Object Number: 52705 Size: FS
Engine Controls Components
Vehicle Speed - 5.0, 5.7, 7.4L
Heated Oxygen Sensors - 7.4L
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Engine Controls Schematic References
Figure 12:

Vehicle Speed - 5.0, 5.7, 7.4L
Object Number: 52711 Size: FS
Engine Controls Components
Transmission Pressure Controls - 4L60-E
Idle Air Controller, Upshift Indicator, and Transfer Case Signals - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 13:

Transmission Pressure Controls - 4L80-E
Object Number: 52713 Size: FS
Engine Controls Components
Transmission Shift Controls and Brake Switch - 4L80-E
Transmission Shift Controls and Brake Switch - 4L60-E
OBD II Symbol Description Notice
MAF, EVAP, and EGR - 5.0, 5.7, 7.4L
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 14:

Transmission Shift Controls and Brake Switch - 4L80-E
Object Number: 52715 Size: FS
Engine Controls Components
A/C Compressor Controls
Transmission Pressure Controls - 4L80-E
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 15:

Transmission Pressure Controls - 4L60-E
Object Number: 52718 Size: FS
Engine Controls Components
Transmission Shift Controls and Brake Switch - 4L60-E
Vehicle Speed - 5.0, 5.7, 7.4L
OBD II Symbol Description Notice
4.3L VCM, SENSORS
Handling Electrostatic Discharge Sensitive Parts Notice
Handling Electrostatic Discharge Sensitive Parts Notice
Figure 16:

Transmission Shift Controls and Brake Switch - 4L60-E
Object Number: 52722 Size: FS
Engine Controls Components
Transmission Pressure Controls - 4L80-E
Transmission Pressure Controls - 4L60-E
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Figure 17:

A/C Compressor Controls
Object Number: 52729 Size: FS
Engine Controls Components
Transmission Shift Controls and Brake Switch - 4L80-E
OBD II Symbol Description Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References
Handling Electrostatic Discharge Sensitive Parts Notice
Engine Controls Schematic References
Engine Controls Schematic References
Engine Controls Schematic References